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http://dx.doi.org/10.5302/J.ICROS.2014.13.1971

Design and Analysis of a Switching State Feedback Controller to Reduce the Measurement Error Effect for a Chain of Integrators System under AC and DC Noise  

Oh, Sang-Young (Department of Electrical Engineering, Dong-A University)
Choi, Ho-Lim (Department of Electrical Engineering, Dong-A University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.20, no.1, 2014 , pp. 12-17 More about this Journal
Abstract
In this paper, we propose a controller capable of reducing the effect of measurement errors under AC and DC noise. Typically, the control system measures data through a sensor. If sensor noise is included in a controller via the feedback channel, the signal is distorted and the entire system cannot work normally. Therefore, some appropriate action to counter the measurement error effect is essential in the controller design. Our controller is equipped with a gain-scaling factor and a compensator to reduce the effect of measurement error in the feedback signal. Also, we use a switching control strategy to enhance the performance of the controller regarding convergence speed. Our proposed controller can therefore effectively reduce the AC and DC noise of the sensor. We analyze the proposed controller by Laplace transform technique and our control method is verified via MATLAB simulation.
Keywords
chain of integrators; measurement error; regulation; gain-scaling factor; switching control;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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